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Finding the Fourth Proportional to 8,654.63, 11,943.40 and 4,675.74

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Solution

The fourth proportional to 8,654.63, 11,943.40 and 4,675.74 is: 6,452.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,654.63 : 11,943.40 = 4,675.74 : x
  2. Step 2: Convert to fraction form
    8,654.63/11,943.40 = 4,675.74/x
  3. Step 3: Cross multiply
    8,654.63x = 11,943.40 × 4,675.74
  4. Step 4: Simplify right side
    8,654.63x = 55,844,233.12
  5. Step 5: Solve for x
    x = 55,844,233.12/8,654.63
  6. Step 6: Final answer
    x = 6,452.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.